Question
PSLE
A box contained red beads and grey beads. 30% of the beads were grey. After some yellow beads were added to the box, 9% of the beads were grey. What percentage of the beads in the box were yellow?
2 m

Click button first when a symbol is required. X

PSLE
A box contained red beads and grey beads. 30% of the beads were grey. After some yellow beads were added to the box, 9% of the beads were grey. What percentage of the beads in the box were yellow?